* {
    margin: 0;
    padding: 0;
}

#content {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    border: 0;
    font-size: 14px;
    outline: none;
    resize: none;
}

.CodeMirror {
    height: 100%;
  }